There are many restaurants and snack stalls in the downtown area of Siem Reap, offering a variety of cuisines, including traditional Cambodian dishes and western cuisines. The following are some recommended restaurants and snacks:

1. Siem Reap Night Market: Located in the center of Siem Reap, it is one of the most prosperous night markets in Siem Reap, offering various snacks and souvenirs. Here, you can taste local special snacks, such as fried insects, grilled fish, kebabs and so on.

2. Khmer Kitchen: This is a famous restaurant located in the downtown area of Siem Reap, offering traditional Cambodian cuisine and western cuisine. The dishes here are delicious and comfortable, which is a good choice.

3. Bar Street in Siem Reap: The bar street in the downtown area of Siem Reap provides all kinds of food and drinks, which is a good place for leisure. Here, you can taste local special snacks, such as kebabs, fried insects, grilled fish and so on.

4. Pearl Restaurant: This restaurant is located in the downtown area of Siem Reap, serving traditional Cambodian cuisine and western cuisine. The dishes here are delicious and comfortable, which is a good choice.

5. Siem Reap Food Street: The food street located in the downtown area of Siem Reap provides all kinds of food and drinks, which is a good place for leisure. Here, you can taste local special snacks, such as kebabs, fried insects, grilled fish and so on.

The above are some recommended restaurants and snacks. You can choose according to your taste and preference.